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Calculate the length of a pipe that has a fundamental frequency of 694 Hz. (Take the speed of sound in air to be 343 m/s.)
(a) Assume the pipe is closed at one end.
__________m
(b) Assume the pipe is open at both ends.
a straightforward method of finding the density of an object is to measure its mass and then measure its volume by submerging it in a graduated cylinder, What is the density of a 220 g rock
During a particular process, the pressure of the gas in a heat engine increases from 1.15×105 Pa to 2.37×105 Pa, What is the work associated with the process
A charge of 0.43 C is spread uniformly throughout a 36 cm rod of radius 7 mm. What are the volume and linear charge densities?
In a movie, a person is supposed to jump with a motorcycle from the roof of one skyscraper to another one. what minimum initial speed would she need to make the jump
A ship sets out to sail to a point 148km due north. An unexpected storm blows the ship to a point 109km due east of its starting point.
A charged oil droplet falls 5.0 mm in 20.0 s at terminal speed in the absence of an electric field. What are the mass and radius of the drop
A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.50m/s2. What is the work done by the net force on the helicopter?
Starting from rest, a 91-kg firefighter slides down a fire pole. The average frictional force everted on him by the pole has a magnitude of 800 N, How far did he slide down the pole
Eight books, each 3.90 cm thick with mass 1.70 kg, lie flat on a table. How much work is required to stack them on top of each other.
A loudspeaker of mass 23m is suspended a distance of h = 1.20 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.9m.
A source delivers an AC voltage of the form ?v = 96.2 sin (66?t), obtain the frequency of the source
Suppose after charging a 10.9 µF capacitor to 8 V, What voltage will your voltmeter read across those two capacitors connected in parallel
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